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Browsing by Author "Akhmadiyarov A."

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Crude distillation unit and the technology adopted in russia

Adiko S.; Akhmadiyarov A.; Varfolomeev M. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights reserved. The work is considering of technology of Crude distillation unit in general modern technology of refining process. Crude distillation ...
Effect of composition of oxygen–nitrogen gas mixtures on heavy crude oil oxidation process using tg-ftir

Akhmadiyarov A.; Emelianov D.; Varfolomeev M. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights reserved. In-situ combustion is considered as one of the most effective ways to enhance recovery of heavy crude oils and bitumens. The oxygen ...
Effect of pressure, temperature and gas phase composition on the rheological properties of heavy crude oil

Akhmadiyarov A.; Petrov A.; Rakipov I.; Varfolomeev M. (2019)

© Published under licence by IOP Publishing Ltd. Influence of pressure, temperature and the nature of gas on the viscosity of heavy crude oil from the Tatarstan field was studied using rheology method (rheometer MCR 302). ...
FTIR – spectroscopy of intermolecular interactions of pyrrole in solutions: The influence of media and cooperativity of hydrogen bonds

Rakipov I.; Petrov A.; Akhmadiyarov A.; Khachatrian A.; Klimovitskii A.; Varfolomeev M.; Solomonov B. (2019)

© 2018 Elsevier B.V. FTIR spectral analysis of solvation effects on the absorption frequencies of N–H stretching vibrations of pyrrole as well as its complexes with proton acceptors (B) was carried out. The comparative ...
Gibbs energy of cooperative hydrogen-bonding interactions in aqueous solutions of amines and pyridines

Solomonov B.; Sedov I.; Akhmadiyarov A. (2009)

A method to determine the Gibbs energy of specific (hydrogen bonding) interactions of a solute with water is proposed. The energies of hydrogen bonding in bulk water are very difficult to determine by any method. The Gibbs ...
Hydrothermal upgrading of heavy oil in the presence of water at sub-critical, near-critical and supercritical conditions

Al-Muntaser A.; Varfolomeev M.; Suwaid M.; Yuan C.; Chemodanov A.; Feoktistov D.; Rakhmatullin I.; Abbas M.; Domínguez-Álvarez E.; Akhmadiyarov A.; Klochkov V.; Amerkhanov M. (2020)

© 2019 Elsevier B.V. In this study, the hydrothermal upgrading (HTU) of high sulfur-content heavy oil was investigated at sub-critical (Sub-CW), near-critical (NCW) and supercritical water (SCW) conditions. Products obtained ...
Influence of the composition of oxygen–carbon dioxide gas mixture on the oxidation process of heavy crude oils

Akhmadiyarov A.; Varfolomeev M. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights reserved. In-situ combustion is considered as one of the most effective ways to enhance recovery of heavy crude oils and bitumens. The oxygen ...
Laboratory screening of effective cross-linked polymers to improve the efficiency of oil recovery at carbonate deposits with high mineralization of reservoir water

Li K.; Mustafin A.; Akhmadiyarov A.; Khayrtdinov R.; Varfolomeev M. (2019)

© 2019, International Multidisciplinary Scientific Geoconference. All rights reserved. This work presents laboratory experiments for the development and testing of methods for the selection of the cross-linked polymer for ...
Solution and solvation enthalpies of aromatic derivitives in binary mixtures. Dipole moment and dielectric properties

Petrov A.; Rakipov I.; Khachatrian A.; Varfolomeev M.; Akhmadiyarov A.; Ismagilova R.; Vereshchagina Y.; Solomonov B. (2019)

© 2019 Elsevier B.V. In the present work a thermochemistry of solution and solvation of mono- and di-substituted chloro- and nitrobenzenes in binary mixtures was studied. The infinite dilution solution enthalpies of ...
Thermocatalytic upgrading of heavy oil by iron oxides nanoparticles synthesized by oil-soluble precursors

Akhmadiyarov A.; Rakipov I.; Khachatrian A.; Petrov A.; Sitnov S.; Gerasimov A.; Osin Y.; Varfolomeev M. (2018)

© 2018 Elsevier B.V. Thermocatalytic upgrading of heavy crude oil at reservoir temperature and pressure has been studied. The objective of the present work was to investigate the efficiency of the compounds based on iron ...
Thermochemistry of hydrogen bonding of proton acceptors in the media of linear and cyclic amides. Cooperativity effects in multi-particle complexes of amides

Rakipov I.; Petrov A.; Akhmadiyarov A.; Khachatrian A.; Varfolomeev M.; Solomonov B. (2017)

© 2017 Elsevier B.V. In present work a thermochemistry of hydrogen bond formation of proton acceptors (B) in the medium of linear (N-methylformamide (NMF)) and cyclic (2-pyrrolidone (Py)) amides was studied. The infinite ...

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Browsing by Author "Akhmadiyarov A."

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